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Last updated: August 18, 2026

Examiner: KOLTONOW, ANDREW ROBERT

Tech Center 1700 • Art Units: 1722 1794 1795

This examiner grants 46% of resolved cases

Performance Statistics

46.3%

Allow Rate

-18.7% vs TC avg

111

Total Applications

+33.8%

Interview Lift

1398

Avg Prosecution Days

Based on 82 resolved cases, 2023–2026

Rejection Statute Breakdown

0%

§101 Eligibility

19.9%

§102 Novelty

55.0%

§103 Obviousness

22.0%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18226047	DESALINATION METHODS IN DESALINATION ELECTRODES	Final Rejection	Robert Bosch GmbH
16960221	PROTON COUPLED ELECTROCHEMICAL CO2 CAPTURE SYSTEM	Non-Final OA	President and Fellows of Harvard College
18359672	SYSTEMS AND METHODS FOR SEPARATION OF CARBON DIOXIDE	Non-Final OA	Massachusetts Institute of Technology
18279989	TWO-COMPARTMENT BIPOLAR MEMBRANE ELECTRODIALYSIS OF SALTS OF AMINO ACIDS	Non-Final OA	MONSANTO TECHNOLOGY LLC
18577608	METHOD FOR GENERATING HYDROGEN BY DECOUPLED WATER ELECTROLYSIS	Non-Final OA	TotalEnergies OneTech
16919134	CONTROL OF THE CONCENTRATION-POLARIZATION LAYER LENGTH IN A MICROCHANNEL-MEMBRANE SYSTEM	Final Rejection	Ramot at Tel-Aviv University Ltd.
18408873	Separators for Liquid Products in Oxocarbon Electrolyzers	Final Rejection	Dioxycle
18392362	Electrochemical Synthesis of Molecules on a Surface	Non-Final OA	IMEC VZW
18384737	WATER ELECTROLYSIS	Non-Final OA	Triad National Security, LLC

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